XML 46 R50.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Debt and Lines of Credit (Details)
3 Months Ended
Jun. 29, 2018
USD ($)
installment
Nov. 30, 2019
USD ($)
Nov. 30, 2018
USD ($)
Aug. 31, 2019
USD ($)
Debt Instruments [Abstract]        
Long-term debt   $ 347,100,000   $ 347,500,000
Interest Revenue (Expense), Net [Abstract]        
Interest expense   9,000,000.0 $ 9,200,000  
Interest income   (700,000) (500,000)  
Interest expense, net   8,300,000 $ 8,700,000  
Lines of Credit        
Line of Credit Facility [Abstract]        
Executed revolving credit facility $ 800,000,000.0      
Minimum interest coverage ratio 2.50      
Maximum leverage ratio 3.50      
Outstanding letters of credit   8,100,000    
Lines of Credit | Minimum        
Line of Credit Facility [Abstract]        
Facility fee (percent) 0.125%      
Lines of Credit | Maximum        
Line of Credit Facility [Abstract]        
Facility fee (percent) 0.25%      
Lines of Credit | New Revolving Credit Facility        
Line of Credit Facility [Abstract]        
Executed revolving credit facility $ 400,000,000.0      
Revolving credit facility term 5 years      
Borrowings outstanding   0   0
Lines of Credit | Unsecured Delayed Draw Term Loan        
Line of Credit Facility [Abstract]        
Executed revolving credit facility $ 400,000,000.0      
Borrowings outstanding   0   $ 0
Number of separate installments allowed during borrowing period | installment 4      
Lines of Credit | Revolving Credit Facility Maturing August 27, 2019        
Line of Credit Facility [Abstract]        
Additional borrowing capacity under revolving credit facility   796,200,000    
Letters of Credit | Revolving Credit Facility Maturing August 27, 2019        
Line of Credit Facility [Abstract]        
Outstanding letters of credit   3,800,000    
Senior unsecured public notes | Senior Unsecured Notes Maturing December 2019        
Debt Instruments [Abstract]        
Debt outstanding   $ 350,000,000.0    
Interest rate (percent)   6.00%    
Long-term debt   $ 341,200,000    
Industrial revenue bond | Industrial Revenue Bond Maturing in 2021        
Debt Instruments [Abstract]        
Debt outstanding   4,000,000.0    
Bank loans | 2016 Fixed-rate Bank Loans        
Debt Instruments [Abstract]        
Debt outstanding   $ 2,300,000    
Eurocurrency Rate | Lines of Credit | New Revolving Credit Facility | Minimum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 1.00%      
Eurocurrency Rate | Lines of Credit | New Revolving Credit Facility | Maximum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 1.375%      
Eurocurrency Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Minimum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 0.875%      
Eurocurrency Rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Maximum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 1.25%      
Base rate | Lines of Credit | New Revolving Credit Facility | Minimum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 0.00%      
Base rate | Lines of Credit | New Revolving Credit Facility | Maximum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 0.375%      
Base rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Minimum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 0.00%      
Base rate | Lines of Credit | Unsecured Delayed Draw Term Loan | Maximum        
Line of Credit Facility [Abstract]        
Applicable margins based on company's leverage ratio, percentage 0.25%      
Year one | Lines of Credit | Unsecured Delayed Draw Term Loan        
Line of Credit Facility [Abstract]        
Quarterly payment (percent) 2.50%      
Year two | Lines of Credit | Unsecured Delayed Draw Term Loan        
Line of Credit Facility [Abstract]        
Quarterly payment (percent) 2.50%      
Year three | Lines of Credit | Unsecured Delayed Draw Term Loan        
Line of Credit Facility [Abstract]        
Quarterly payment (percent) 5.00%      
Year four | Lines of Credit | Unsecured Delayed Draw Term Loan        
Line of Credit Facility [Abstract]        
Quarterly payment (percent) 5.00%      
Year five and after | Lines of Credit | Unsecured Delayed Draw Term Loan        
Line of Credit Facility [Abstract]        
Quarterly payment (percent) 7.50%